<script type="text/javascript">
<!–
function nofind(){
var img=event.srcElement;
img.src="http://www.cnblogs.com/sys/common/image/fileoperation/icon/default.gif";
img.onerror=null; 控制不要一直跳动
}
//–>
</script>
<td align="center"><img src="http://www.cnblogs.com/sys/common/image/fileoperation/icon/${file.suffix }.gif" onerror="nofind();" />${file.name }</td>